staging: brcm80211: revised README
staging: brcm80211: revised README

Removed duplicated text sections in README. Removed Bugs/problems that no longer
occur. One brcmsmac instability remains, (to be solved with new ucode), that has
been moved to the TODO file.

Signed-off-by: Roland Vossen <45182f14eed14f589e080b05abc22e5a7f6ee742@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@suse.de>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas